[CI] Fix command not found error in monolithic-linux (llvm#137486)

When editing the premerge.yaml file it seems like I left some extra yaml
in there that ended up in the run section of one of the steps that ended
up throwing the error.

Author: boomanaiden154

.github/workflows/premerge.yaml

@@ -65,7 +65,6 @@ jobs:
           export CXX=/opt/llvm/bin/clang++
 
           ./.ci/monolithic-linux.sh "${projects_to_build}" "${project_check_targets}" "${runtimes_to_build}" "${runtimes_check_targets}"
-            - name: "Upload artifact"
       - name: Upload Artifacts
         uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
         with: